AUTOMATIC TRANSMISSION

An automatic transmission includes a piston movable in an axial direction, a plurality of friction plates disposed on a side of a first surface of the piston, a fastening hydraulic chamber applying a hydraulic pressure to a second surface of the piston to move the piston to a fastening position wher...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ISHIZAKA, Tomotaka, SAJI, Koshiro, MIZOBE, Tatsutoshi, KAJI, Masahiro, SASAHARA, Manabu, FUKUDA, Yutaro, KAMADA, Shinya, KUBO, Tomohiro, IWASAKI, Tatsuhiko, IWASHITA, Norio, SAITO, Tadashi, SAKO, Kaori
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING BRAKES CLUTCHES COCKS COUPLINGS FOR TRANSMITTING ROTATION DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An automatic transmission includes a piston movable in an axial direction, a plurality of friction plates disposed on a side of a first surface of the piston, a fastening hydraulic chamber applying a hydraulic pressure to a second surface of the piston to move the piston to a fastening position where the friction plates are pressed to be fastened to each other, a release hydraulic chamber applying a hydraulic pressure to the first surface of the piston to move the piston to a release position where the friction plates are released, and a hydraulic pressure control valve that supplies and discharges the hydraulic pressure to and from each of the fastening hydraulic chamber and the release hydraulic chamber. An area of the second surface of the piston for receiving the hydraulic pressure is set to be larger than an area of the first surface for receiving the hydraulic pressure.